The House has passed a "clean" bill to fund the Department of Homeland Security through September, sending the bill to President Obama and averting a partial shutdown of the department. The vote was 257-167.

UK ricin find: Six more arrested

LONDON, England --Six more people have been arrested by anti-terrorism police in connection with the discovery of traces of the deadly toxin ricin in a London flat.

The five men and a woman were arrested by officers from the Anti Terrorist branch on Sunday in Bournemouth, Dorset, on England's south coast.

London's Metropolitan Police have refused publically to confirm reports that the arrests are connected to the discovery of traces ricin in a raid on a London flat last week.

However, police sources have admitted privately to CNN that the arrests are linked.

Officers searched two premises in the Bournemouth area. No chemical materials were found.

The six are being held in custody in Bournemouth under the Terrorism Act, 2000.

Meanwhile four suspected terrorists have been remanded in custody charged in connection with an alleged plot to use the poison ricin.

The four -- Mouloud Feddag, Samir Feddag, Mustapha Taleb and a 17-year-old who can not be named for legal reasons -- were remanded when they appeared at Bow Street magistrates court in central London on Monday. They are due to appear at the Old Bailey on January 17.

The four were charged on Saturday under the UK's Terrorism Act 2000 with "possessing articles of value to a terrorist" and involvement in developing or producing "chemical weapons" under the Chemical Weapons Act 1996.

They were part of a group of seven North Africans arrested last week, Scotland Yard said.

A fifth man, Nasreddine Fekhhadji, was charged with two offences of possessing false documents under the Forgery and Counterfeiting Act.

He was also due to appear at Bow Street Magistrates' Court on Monday.

A sixth man, whom police have not named, was not charged under the Terrorism Act but is been questioned for alleged possession of drugs and immigration matters.

A seventh man has been released into the custody of the Immigration Service.